[Code of Federal Regulations]
[Title 49, Volume 3]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR193.2009]

[Page 127]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                       TRANSPORTATION (CONTINUED)
 
PART 193_LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS--
Table of Contents
 
                            Subpart A_General
 
Sec. 193.2009  Rules of regulatory construction.

    (a) As used in this part:
    (1) Includes means including but not limited to;
    (2) May means is permitted to or is authorized to;
    (3) May not means is not permitted to or is not authorized to; and
    (4) Shall or must is used in the mandatory and imperative sense.
    (b) In this part:
    (1) Words importing the singular include the plural; and
    (2) Words importing the plural include the singular.